Shin's summons to the castle doesn't go exactly as he thought it would when the princess challenges him to a duel. Then when the aftermath of their fight goes horribly awry, it's up to Schnee to investigate. 
That's a serious problem.
.إنّها مشكلة كبيرة بالفعل
Das ist ein ernstes Problem.
Eso es muy problemático.
Eso sí que es grave.
Quelle odieuse créature !
È un problema serio!
Isso é um problema sério.
Весьма серьёзная проблема.